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Service bulletin K18901293

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10138728
Published by NHTSA2018-05-29
Manufacturer's numberK18901293
Manufacturer's date2018-04-23
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

Mack Chassis - Diagnostic Trouble Code ( DTC ) P226D Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15 And US14+OBD16 Emissions (Non-Common Rail Fuel System), Commonly Model Years 2015 and 2016

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Catalytic converter

Trouble codes named

P226D

Vehicles listed
MACK CHU2015 to 2016
MACK CXU2015 to 2016
MACK GU2015 to 2016
MACK LEU2015 to 2016
MACK LR2015, 2016
MACK MRU2015 to 2016
MACK TD2015 to 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
K230562142018-07-16. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P205B Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15 Emissions, Common Model Year 2016 ONLY
K736582942018-05-29. Service bulletin. Mack Chassis - Diagnostic Trouble Codes ( DTC's ) P24A0 And P249F Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15 (Commonly Model Year 2016) And Newer (Includes Common Rail Fuel System)
K183046132018-05-29. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P249C Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - OBD15 And US14+OBD16 (Non-Common Rail Fuel System) Chassis
K153254242018-05-29. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P026C Lighting The Malfunction Indicator Light ( MIL ) - US14+OBD13, US14+OBD15 And US14+OBD16 - Commonly Model Years 2015 To 2017 (Non-Common Rail Fuel System) Chassis